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Determination of intrinsic viscosity of fractionated pitches and discussion on the shape and size of pitch molecules

โœ Scribed by Mototsugu Sakai; Masanobu Yoshihara; Michio Inagaki

Publisher
Elsevier Science
Year
1981
Tongue
English
Weight
527 KB
Volume
19
Category
Article
ISSN
0008-6223

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๐Ÿ“œ SIMILAR VOLUMES

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## Materials Engineering Department, Rensselaer Polytechnic Institute, Troy, NY 12181, U.S.A.). Mass spectra of the species evolved during flash pyrolysis of pitches will be presented. Distinct differences in mass spectra were noted for the different feedstocks. Limitations of the technique will b

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The shape and size of pitch molecules were discussed through the measurements of the intrinsic viscosity [q] and the diffusion coefficient D of molecular weight fractionated petroleum pitches in dilute chloroform solutions, where [r~] was measured by an Ubbelohde viscometer, and D by NorthrupMcBain